OBD Guide

P264B

A Rocker Arm Actuator Position Sensor Circuit Range/Performance Bank 1

P264B is an OBD-II diagnostic trouble code meaning: A Rocker Arm Actuator Position Sensor Circuit Range/Performance Bank 1. Common causes: malfunction of the rocker actuator position sensor, damaged wiring or poor contact in the circuit. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine operation at idle
  • Check Engine light comes on
  • Car dynamics problems

Causes

  • Malfunction of the rocker actuator position sensor
  • Damaged wiring or poor contact in the circuit
  • Mechanical problems with rocker actuator
  • Engine control unit malfunction
  • Actuator is dirty or clogged

How to Fix

  1. Check the sensor circuit for breaks and short circuits
  2. Check the condition of the rocker arm actuator position sensor
  3. Clean or replace rocker arm actuator
  4. Check the operation of the engine control unit
  5. Replace the rocker actuator position sensor if necessary

Related codes

Error P264B by Vehicle Brand

FAQ

What does the P264B code mean?

P264B is an OBD-II diagnostic trouble code that indicates: A Rocker Arm Actuator Position Sensor Circuit Range/Performance Bank 1

What causes a P264B error code?

The most common causes of P264B include: Malfunction of the rocker actuator position sensor; Damaged wiring or poor contact in the circuit; Mechanical problems with rocker actuator; Engine control unit malfunction.

How do I fix a P264B diagnostic trouble code?

To fix P264B: Check the sensor circuit for breaks and short circuits. Check the condition of the rocker arm actuator position sensor. Clean or replace rocker arm actuator. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P264B?

Yes, but get it checked soon

How much does it cost to fix P264B?

The estimated repair cost for P264B is $33–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat